generalized-usng-graphviz.txt

import graphviz

# Read the Verilog code from the file
with open('verilog_code.v', 'r') as file:
    verilog_code = file.read()

# Rest of the code remains the same...
# (Your existing code for parsing the Verilog code and creating the state diagram)

# Extract states and transitions from parsed Verilog code
states = []
transitions = []

lines = verilog_code.splitlines()
for line in lines:
    line = line.strip()
    if line.startswith("reg") or line.startswith("wire"):
        state_name = line.split()[2].rstrip(";")
        states.append(state_name)
    elif "<=" in line:
        lhs, rhs = line.split("<=")
        lhs = lhs.strip()
        rhs = rhs.strip(";").strip()
        transitions.append((lhs, rhs))

# Create a Directed Graph (Digraph)
G = graphviz.Digraph('finite_state_machine', filename='state_diagram.gv')
G.attr(rankdir='LR', size='8,5')

# Add nodes (states) to the graph
for state in states:
    G.node(state)

# Add edges (transitions) to the graph
for transition in transitions:
    G.edge(*transition)

# Save the state diagram to a file and view it
G.render(view=True)